Features: More than 60 standard and metric units built-in for fast, reliable conversions on the job or in the office
Over 400 conversion combinations
Works in and convert between feet, inches, fractions, yards, meters, centimeters and millimeters - including square and cubic formats
Ribbon Series: Works In Texas Instruments Omni 800 Model 810 / 810E / 810LQ / 880 / 880AT / 880DP / 880XL / 885/885AT Series and Other Dot Matrix Printers